"Holders of this certification are interpreters who are deaf or hard-of-hearing, and who have completed at least eight hours of training on the NAD-RID Code of Professional Conduct; eight hours of training on the role and function of an interpreter who is deaf or hard-of-hearing; and have passed a comprehensive combination of written and performance tests. Holders of this certificate are recommended for a broad range of assignments where an interpreter who is deaf or hard-of-hearing would be beneficial." (RID.org - generalist certifications)
CDI (Certified Deaf Interpreter)
RID Standard Practice Papers - Use of a Certified Deaf Interpreter
"Holders of this certification are interpreters who are deaf or hard-of-hearing, and who have completed at least eight hours of training on the NAD-RID Code of Professional Conduct; eight hours of training on the role and function of an interpreter who is deaf or hard-of-hearing; and have passed a comprehensive combination of written and performance tests. Holders of this certificate are recommended for a broad range of assignments where an interpreter who is deaf or hard-of-hearing would be beneficial." (RID.org - generalist certifications)